Factual error: Life Begins At Fifty: Susan and the security officer says the sunglasses she is accused of stealing are £250. Later in court they hold up the pair of sunglasses she stole. Which are cheap plastic ones. These are normally cost about £5 at most.

For the entire first season, the hinges on the front door are on the right and the stairs have a corner at the bottom. However in all seasons after this, the hinges on the front door are on the left and the stairs go straight down to the floor, no corner. (Some sets do sometimes change between the pilot episode and episode 2, but I have never seen something change after a whole season.)